so ive had my rig for about 7 months now, ( i7 2700k, ausu max IV extreme z-68, 3 pny 1.5g gtx 580's, corsair ax 1200, corsair force gt 120 g ssd, 16 gigs g skill ripjaw 1866 ddr3) all in a haf 932 case. what im really kinda lost on is a few things actually. like 1 being the diffrence between " in series triple gpu water block connector, vs a parallel block. im gonna be running 3 blocks on the gpu as well as one for the cpu/ vrm/north bridge and southbridge chips ( with a full pom block made by mipps), and have future plans of cooling the ram.. but im wondering what kind of rads to use with my duel MCP655 swiftech pumps in a single loop. please let me know what you think and any advice is much appreciated.. :)

It really depends on what you are after with your cooling. If you want silence you will want a thicker radiator with a lower fpi(fins per inch) and you can run fans at a really low speed like that. If not you can get a normal radiator and use really good fans like gentle typhoons or yate loons on it which high static pressure and higher RPM.

I think it is generally recommended to have 1 120mm radiator for each component being cooled. Personally I think it's safer to have a little more then that. So your CPU, 3 gpu's and the motherboard being cooled I would recommend at least 4x120mm worth of radiator. You might have to switch your case to fit all that water cooling. :)